Helicobacter pyloriDuodenal UlcerStomach UlcerPeptic UlcerHelicobacter InfectionsLeg UlcerPressure UlcerSkin UlcerPeptic Ulcer HemorrhageGastritisGastric MucosaPeptic Ulcer PerforationUreaseAnti-Ulcer AgentsPylorusStomachBuruli UlcerDyspepsiaClarithromycinAmoxicillinOmeprazoleMetronidazoleStomach NeoplasmsGastroscopyBacterial ProteinsBismuthGastritis, AtrophicPyloric AntrumStomach DiseasesAnti-Bacterial AgentsBreath TestsRanitidineAntibodies, BacterialGastric AcidProton Pump InhibitorsLansoprazoleGastric JuiceDiabetic FootDrug Therapy, CombinationGastrinsDuodenitisBiopsyAntacidsCimetidineTinidazolePepsinogen APepsinogensMycobacterium ulceransLewis Blood-Group SystemHistamine H2 AntagonistsFurazolidoneImmunoglobulin GMetaplasiaDuodenoscopyDuodenumBandagesUreaGerbillinaeAnti-Inflammatory Agents, Non-SteroidalMolecular Sequence DataEnzyme-Linked Immunosorbent AssayTropaeolaceaeEndoscopyPolymerase Chain ReactionOrganometallic CompoundsEndoscopy, GastrointestinalHelicobacterPrevalenceCampylobacterProspective StudiesVagotomy, Proximal GastricTreatment OutcomeGastrointestinal DiseasesVagotomyDNA, BacterialRecurrenceTetracyclineStereoisomerismGastric Acidity DeterminationPepsinogen CPenicillinsCytotoxinsAcetic AcidAntitrichomonal AgentsTime FactorsMagnetic Resonance SpectroscopyPlant ExtractsSensitivity and SpecificityLymphoma, B-Cell, Marginal ZoneBase SequenceGastric MucinsBacterial AdhesionVirulenceFamotidineMolecular StructureModels, MolecularHydrogen-Ion ConcentrationCase-Control StudiesGastrointestinal HemorrhageNucleic Acid Conformation